<div class="container">
  <div class="toggle">
    <input type="checkbox">
    <span class="button"></span>
    <span class="label">☼</span>
  </div>
</div>
<style>
/* From Uiverse.io by Pradeepsaranbishnoi - Tags: simple, neumorphism, skeuomorphism, 3d, button */
.toggle {
  display: inline-block;
}

.toggle {
  position: relative;
  height: 100px;
  width: 100px;
}

.toggle:before {
  box-shadow: 0;
  border-radius: 84.5px;
  background: #fff;
  position: absolute;
  margin-left: -36px;
  margin-top: -36px;
  opacity: 0.2;
  height: 72px;
  width: 72px;
  left: 50%;
  top: 50%;
}

.toogle input:checked~.label {
  color: rgba(255,0,0,0.8);
}

.toggle .button {
  transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 15px 25px -4px rgba(0, 0, 0, 0.5), inset 0 -3px 4px -1px rgba(0, 0, 0, 0.2), 0 -10px 15px -1px rgba(255, 255, 255, 0.6), inset 0 3px 4px -1px rgba(255, 255, 255, 0.2), inset 0 0 5px 1px rgba(255, 255, 255, 0.8), inset 0 20px 30px 0 rgba(255, 255, 255, 0.2);
  border-radius: 68.8px;
  position: absolute;
  background: #eaeaea;
  margin-left: -34.4px;
  margin-top: -34.4px;
  display: block;
  height: 68.8px;
  width: 68.8px;
  left: 50%;
  top: 50%;
}

.toggle .label {
  transition: color 300ms ease-out;
  line-height: 101px;
  text-align: center;
  position: absolute;
  font-weight: 700;
  font-size: 28px;
  display: block;
  opacity: 0.9;
  height: 100%;
  width: 100%;
  color: rgba(0, 0, 0, 0.9);
}

.toggle input {
  opacity: 0;
  position: absolute;
  cursor: pointer;
  z-index: 1;
  height: 100%;
  width: 100%;
  left: 0;
  top: 0;
}

.toggle input:active ~ .button {
  filter: blur(0.5px);
  box-shadow: 0 12px 25px -4px rgba(0, 0, 0, 0.4), inset 0 -8px 30px 1px rgba(255, 255, 255, 0.9), 0 -10px 15px -1px rgba(255, 255, 255, 0.6), inset 0 8px 25px 0 rgba(0, 0, 0, 0.4), inset 0 0 10px 1px rgba(255, 255, 255, 0.6);
}

.toggle input:active ~ .label {
  font-size: 26px;
  color: rgba(0, 0, 0, 0.45);
}

.toggle input:checked ~ .button {
  filter: blur(0.5px);
  box-shadow: 0 10px 25px -4px rgba(0, 0, 0, 0.4), inset 0 -8px 25px -1px rgba(255, 255, 255, 0.9), 0 -10px 15px -1px rgba(255, 255, 255, 0.6), inset 0 8px 20px 0 rgba(0, 0, 0, 0.2), inset 0 0 5px 1px rgba(255, 255, 255, 0.6);
}

.toggle input:checked ~ .label {
  color: rgba(0, 0, 0, 0.8);
}

</style>
